Terran Forces Muster on the NC Border

Are the Terrans acting in pre-emptive self defence? or is this preparation for an invasion...  

Chairman's EndOn the Terran Stardate of '02 04 2017' (Aquarion: -=:7.018:=-) In the Cyngus Mei star cluster, NewChina state space. Grim news strikes the ears of the NC citizens.
Chairman Zhu Peng, Murdered at gunpoint by an unknown human assailant. Throwing the NC into disarray, the board of councillors moved to inject Meilin Far as the new Chairman in order to stabilize the already chaotic leadership. Taking the reins, Chair'woman' Meilin Far publicly announced her appointment along with a statement
 "To the animal who killed our beloved leader, You have made a powerful enemy this day, You will be brought to justice, if you have any value for yourself and your beliefs you will turn yourself in and make this easy, because we are very capable of doing this the hard way and winning"
 From then on the NC went quiet as a nation, breaking communications with everybody outside of NC space including their new allies the Aquarions. With little known about the situation and a lack of inter governme 

(Sorry for the badly done Chinese writing btw, had to use Google translate)